/src/util-linux/include/xalloc.h
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1 | | /* |
2 | | * No copyright is claimed. This code is in the public domain; do with |
3 | | * it what you wish. |
4 | | * |
5 | | * Authors 2010 Davidlohr Bueso <dave@gnu.org> |
6 | | * 2010-2025 Karel Zak <kzak@redhat.com> |
7 | | * |
8 | | * General memory allocation wrappers for malloc, realloc, calloc and strdup |
9 | | */ |
10 | | |
11 | | #ifndef UTIL_LINUX_XALLOC_H |
12 | | #define UTIL_LINUX_XALLOC_H |
13 | | |
14 | | #include <stdio.h> |
15 | | #include <stdlib.h> |
16 | | #include <string.h> |
17 | | |
18 | | #include "c.h" |
19 | | #include "strutils.h" |
20 | | |
21 | | #ifndef XALLOC_EXIT_CODE |
22 | 0 | # define XALLOC_EXIT_CODE EXIT_FAILURE |
23 | | #endif |
24 | | |
25 | | static inline |
26 | | __ul_alloc_size(1) |
27 | | __ul_returns_nonnull |
28 | | void *xmalloc(const size_t size) |
29 | 21.8k | { |
30 | 21.8k | void *ret = malloc(size); |
31 | | |
32 | 21.8k | if (!ret && size) |
33 | 0 | err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size); |
34 | 21.8k | return ret; |
35 | 21.8k | } Line | Count | Source | 29 | 21.8k | { | 30 | 21.8k | void *ret = malloc(size); | 31 | | | 32 | 21.8k | if (!ret && size) | 33 | 0 | err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size); | 34 | 21.8k | return ret; | 35 | 21.8k | } |
Unexecuted instantiation: fuzz.c:xmalloc |
36 | | |
37 | | static inline |
38 | | __ul_alloc_size(2) |
39 | | __ul_returns_nonnull |
40 | | void *xrealloc(void *ptr, const size_t size) |
41 | 0 | { |
42 | 0 | void *ret = realloc(ptr, size); |
43 | 0 |
|
44 | 0 | if (!ret && size) |
45 | 0 | err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size); |
46 | 0 | return ret; |
47 | 0 | } Unexecuted instantiation: last.c:xrealloc Unexecuted instantiation: fuzz.c:xrealloc |
48 | | |
49 | | static inline |
50 | | __ul_calloc_size(2, 3) |
51 | | __ul_returns_nonnull |
52 | | void *xreallocarray(void *ptr, const size_t nelems, const size_t size) |
53 | 0 | { |
54 | 0 | void *ret = reallocarray(ptr, nelems, size); |
55 | 0 |
|
56 | 0 | if (!ret && size && nelems) |
57 | 0 | err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size); |
58 | 0 | return ret; |
59 | 0 | } Unexecuted instantiation: last.c:xreallocarray Unexecuted instantiation: fuzz.c:xreallocarray |
60 | | |
61 | | static inline |
62 | | __ul_calloc_size(1, 2) |
63 | | __ul_returns_nonnull |
64 | | void *xcalloc(const size_t nelems, const size_t size) |
65 | 0 | { |
66 | 0 | void *ret = calloc(nelems, size); |
67 | 0 |
|
68 | 0 | if (!ret && size && nelems) |
69 | 0 | err(XALLOC_EXIT_CODE, "cannot allocate %zu bytes", size); |
70 | 0 | return ret; |
71 | 0 | } Unexecuted instantiation: last.c:xcalloc Unexecuted instantiation: fuzz.c:xcalloc |
72 | | |
73 | | static inline |
74 | | __attribute__((warn_unused_result)) |
75 | | __ul_alloc_size(2) |
76 | | __ul_returns_nonnull |
77 | | void *xmemdup(const void *ptr, size_t size) |
78 | 0 | { |
79 | 0 | void *ret = xmalloc(size); |
80 | 0 |
|
81 | 0 | memcpy(ret, ptr, size); |
82 | 0 | return ret; |
83 | 0 | } Unexecuted instantiation: last.c:xmemdup Unexecuted instantiation: fuzz.c:xmemdup |
84 | | |
85 | | static inline |
86 | | __attribute__((warn_unused_result)) |
87 | | __ul_returns_nonnull |
88 | | char *xstrdup(const char *str) |
89 | 1.15k | { |
90 | 1.15k | char *ret; |
91 | | |
92 | 1.15k | assert(str); |
93 | 1.15k | ret = strdup(str); |
94 | 1.15k | if (!ret) |
95 | 0 | err(XALLOC_EXIT_CODE, "cannot duplicate string"); |
96 | 1.15k | return ret; |
97 | 1.15k | } Line | Count | Source | 89 | 1.15k | { | 90 | 1.15k | char *ret; | 91 | | | 92 | 1.15k | assert(str); | 93 | 1.15k | ret = strdup(str); | 94 | 1.15k | if (!ret) | 95 | 0 | err(XALLOC_EXIT_CODE, "cannot duplicate string"); | 96 | 1.15k | return ret; | 97 | 1.15k | } |
Unexecuted instantiation: fuzz.c:xstrdup |
98 | | |
99 | | static inline |
100 | | __attribute__((warn_unused_result)) |
101 | | __ul_returns_nonnull |
102 | | char *xstrndup(const char *str, size_t size) |
103 | 0 | { |
104 | 0 | char *ret; |
105 | 0 |
|
106 | 0 | assert(str); |
107 | 0 | ret = strndup(str, size); |
108 | 0 | if (!ret) |
109 | 0 | err(XALLOC_EXIT_CODE, "cannot duplicate string"); |
110 | 0 | return ret; |
111 | 0 | } Unexecuted instantiation: last.c:xstrndup Unexecuted instantiation: fuzz.c:xstrndup |
112 | | |
113 | | |
114 | | static inline |
115 | | __attribute__((__format__(printf, 2, 3))) |
116 | | int xasprintf(char **strp, const char *fmt, ...) |
117 | 0 | { |
118 | 0 | int ret; |
119 | 0 | va_list args; |
120 | 0 |
|
121 | 0 | va_start(args, fmt); |
122 | 0 | ret = vasprintf(&(*strp), fmt, args); |
123 | 0 | va_end(args); |
124 | 0 | if (ret < 0) |
125 | 0 | err(XALLOC_EXIT_CODE, "cannot allocate string"); |
126 | 0 | return ret; |
127 | 0 | } Unexecuted instantiation: last.c:xasprintf Unexecuted instantiation: fuzz.c:xasprintf |
128 | | |
129 | | static inline |
130 | | __attribute__((__format__(printf, 2, 0))) |
131 | | int xvasprintf(char **strp, const char *fmt, va_list ap) |
132 | 0 | { |
133 | 0 | int ret = vasprintf(&(*strp), fmt, ap); |
134 | 0 |
|
135 | 0 | if (ret < 0) |
136 | 0 | err(XALLOC_EXIT_CODE, "cannot allocate string"); |
137 | 0 | return ret; |
138 | 0 | } Unexecuted instantiation: last.c:xvasprintf Unexecuted instantiation: fuzz.c:xvasprintf |
139 | | |
140 | | static inline void xstrappend(char **a, const char *b) |
141 | 0 | { |
142 | 0 | if (ul_strappend(a, b) < 0) |
143 | 0 | err(XALLOC_EXIT_CODE, "cannot allocate string"); |
144 | 0 | } Unexecuted instantiation: last.c:xstrappend Unexecuted instantiation: fuzz.c:xstrappend |
145 | | |
146 | | static inline void xstrputc(char **a, char c) |
147 | 0 | { |
148 | 0 | char b[] = {c, '\0'}; |
149 | 0 | xstrappend(a, b); |
150 | 0 | } Unexecuted instantiation: last.c:xstrputc Unexecuted instantiation: fuzz.c:xstrputc |
151 | | |
152 | | static inline |
153 | | __attribute__((__format__(printf, 2, 0))) |
154 | | int xstrvfappend(char **a, const char *format, va_list ap) |
155 | 0 | { |
156 | 0 | int ret = ul_strvfappend(a, format, ap); |
157 | 0 |
|
158 | 0 | if (ret < 0) |
159 | 0 | err(XALLOC_EXIT_CODE, "cannot allocate string"); |
160 | 0 | return ret; |
161 | 0 |
|
162 | 0 | } Unexecuted instantiation: last.c:xstrvfappend Unexecuted instantiation: fuzz.c:xstrvfappend |
163 | | |
164 | | static inline |
165 | | __attribute__ ((__format__ (__printf__, 2, 3))) |
166 | | int xstrfappend(char **a, const char *format, ...) |
167 | 0 | { |
168 | 0 | va_list ap; |
169 | 0 | int ret; |
170 | 0 |
|
171 | 0 | va_start(ap, format); |
172 | 0 | ret = xstrvfappend(a, format, ap); |
173 | 0 | va_end(ap); |
174 | 0 |
|
175 | 0 | return ret; |
176 | 0 | } Unexecuted instantiation: last.c:xstrfappend Unexecuted instantiation: fuzz.c:xstrfappend |
177 | | |
178 | | static inline |
179 | | __attribute__((warn_unused_result)) |
180 | | char *xgethostname(void) |
181 | 0 | { |
182 | 0 | char *name; |
183 | 0 | size_t sz = get_hostname_max() + 1; |
184 | 0 |
|
185 | 0 | name = xmalloc(sizeof(char) * sz); |
186 | 0 | if (gethostname(name, sz) != 0) { |
187 | 0 | free(name); |
188 | 0 | return NULL; |
189 | 0 | } |
190 | 0 | name[sz - 1] = '\0'; |
191 | 0 | return name; |
192 | 0 | } Unexecuted instantiation: last.c:xgethostname Unexecuted instantiation: fuzz.c:xgethostname |
193 | | |
194 | | static inline |
195 | | __attribute__((warn_unused_result)) |
196 | | char *xgethosturi(const char *proto) |
197 | 0 | { |
198 | 0 | char *n = xgethostname(); |
199 | 0 | char *uri = NULL; |
200 | 0 |
|
201 | 0 | if (!proto) |
202 | 0 | proto = "file://"; |
203 | 0 | if (!n) |
204 | 0 | return xstrdup(proto); |
205 | 0 |
|
206 | 0 | xasprintf(&uri, "%s%s", proto, n); |
207 | 0 | free(n); |
208 | 0 | return uri; |
209 | 0 | } Unexecuted instantiation: last.c:xgethosturi Unexecuted instantiation: fuzz.c:xgethosturi |
210 | | |
211 | | #endif |