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This commit is contained in:
twinaphex 2016-01-21 19:13:10 +01:00
parent 71df617bee
commit 23d3af9c5a
1 changed files with 11 additions and 10 deletions
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17
libretro-common/string/stdstring.c
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@ -59,7 +59,8 @@ char *string_to_lower(char *s)
return s; return s;
} }
char *string_replace_substring(const char *in, const char *pattern, const char *replacement) char *string_replace_substring(const char *in,
const char *pattern, const char *replacement)
{ {
size_t numhits, pattern_len, replacement_len, outlen; size_t numhits, pattern_len, replacement_len, outlen;
const char *inat; const char *inat;
@ -73,21 +74,21 @@ char *string_replace_substring(const char *in, const char *pattern, const char *
pattern_len = strlen(pattern); pattern_len = strlen(pattern);
replacement_len = strlen(replacement); replacement_len = strlen(replacement);
numhits = 0;
inat = in;
numhits = 0;
inat = in;
while ((inat = strstr(inat, pattern))) while ((inat = strstr(inat, pattern)))
{ {
inat += pattern_len; inat += pattern_len;
numhits++; numhits++;
} }
outlen = strlen(in) - pattern_len*numhits + replacement_len*numhits; outlen = strlen(in) - pattern_len*numhits + replacement_len*numhits;
out = (char *)malloc(outlen+1); out = (char *)malloc(outlen+1);
outat = out; outat = out;
inat = in;
inprev = in;
inat = in;
inprev = in;
while ((inat = strstr(inat, pattern))) while ((inat = strstr(inat, pattern)))
{ {
memcpy(outat, inprev, inat-inprev); memcpy(outat, inprev, inat-inprev);