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Bring comments back in sync with code.

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This commit is contained in:
Tom Lane 2002-08-27 20:54:47 +00:00
parent 73b94657b0
commit 65a34e93c6
1 changed files with 15 additions and 5 deletions
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20
src/backend/utils/adt/numutils.c
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@ -11,7 +11,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/numutils.c,v 1.52 2002/08/27 20:29:10 momjian Exp $ * $Header: /cvsroot/pgsql/src/backend/utils/adt/numutils.c,v 1.53 2002/08/27 20:54:47 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -42,19 +42,29 @@
#define SCHAR_MIN (-SCHAR_MAX-1) #define SCHAR_MIN (-SCHAR_MAX-1)
#endif #endif
/*
* pg_atoi: convert string to integer
*
* size is the sizeof() the desired integral result (1, 2, or 4 bytes).
*
* c, if not 0, is the terminator character that may appear after the
* integer. If 0, the string must end after the integer.
*
* Unlike plain atoi(), this will throw elog() upon bad input format or
* overflow.
*/
int32 int32
pg_atoi(char *s, int size, int c) pg_atoi(char *s, int size, int c)
{ {
long l = 0; long l = 0;
char *badp = NULL; char *badp = NULL;
Assert(s);
errno = 0; errno = 0;
/* /*
* Some versions of strtol treat the empty string as an error. This * Some versions of strtol treat the empty string as an error, but some
* code will explicitly return 0 for an empty string. * seem not to. Make an explicit test to be sure we catch it.
*/ */
if (s == (char *) NULL) if (s == (char *) NULL)