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481cc70fe0
These were lifted from the lua plugin. sdl, doom, puzzles updated to use the exported version todo: lua, maybe? also: convert uses of atoi [back] to strtol Change-Id: I5a1ebbe8d8c99349e594ab9bbbce474e7645b4e9
29 lines
634 B
C
29 lines
634 B
C
#include <stdlib.h>
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#include <errno.h>
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#include <limits.h>
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#include <ctype.h>
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#include <gcc_extensions.h>
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#define ABS_LONG_MIN LONG_MAX
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long int strtol(const char *nptr, char **endptr, int base)
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{
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int neg=0;
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unsigned long int v;
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const char*orig=nptr;
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while(UNLIKELY(isspace(*nptr))) nptr++;
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if (*nptr == '-' && isalnum(nptr[1])) { neg=-1; ++nptr; }
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v=strtoul(nptr,endptr,base);
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if (endptr && *endptr==nptr) *endptr=(char *)orig;
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if (UNLIKELY(v>=ABS_LONG_MIN)) {
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if (v==ABS_LONG_MIN && neg) {
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errno=0;
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return v;
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}
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errno=ERANGE;
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return (neg?LONG_MIN:LONG_MAX);
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}
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return (neg?-v:v);
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}
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