Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/extract/src/mem.c @ 7:5ab937c03c27

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Apply full RELRO to all generated binaries. Also strip the generated binaries.
author Franz Glasner <fzglas.hg@dom66.de>
date Tue, 16 Sep 2025 12:37:32 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
1 #include "extract/alloc.h"
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b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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3 #include "mem.h"
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5 #include <assert.h>
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6 #include <stdio.h>
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7 #include <string.h>
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9 #include "compat_va_copy.h"
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12 void extract_bzero(void *b, size_t len)
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13 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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14 memset(b, 0, len);
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15 }
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b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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17 int extract_vasprintf(extract_alloc_t *alloc, char **out, const char *format, va_list va)
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18 {
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19 int n;
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20 int ret;
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21 va_list va2;
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23 va_copy(va2, va);
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24 n = vsnprintf(NULL, 0, format, va);
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25 if (n < 0)
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26 {
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27 ret = n;
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28 goto end;
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29 }
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30 if (extract_malloc(alloc, out, n + 1))
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31 {
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32 ret = -1;
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33 goto end;
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34 }
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35 vsnprintf(*out, n + 1, format, va2);
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37 ret = 0;
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38 end:
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40 va_end(va2);
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42 return ret;
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43 }
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46 int extract_asprintf(extract_alloc_t *alloc, char **out, const char *format, ...)
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47 {
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48 va_list va;
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49 int ret;
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51 va_start(va, format);
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52 ret = extract_vasprintf(alloc, out, format, va);
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53 va_end(va);
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55 return ret;
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56 }
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58 int extract_strdup(extract_alloc_t *alloc, const char *s, char **o_out)
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59 {
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60 size_t l = strlen(s) + 1;
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62 if (extract_malloc(alloc, o_out, l)) return -1;
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63 memcpy(*o_out, s, l);
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65 return 0;
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66 }