FreeCalypso > hg > freecalypso-tools

annotate target-utils/libc/strcmp.c @ 652:d42534e5ac02

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
loadtools: discontig.h split out of flash.h
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 02 Mar 2020 03:49:31 +0000
parents 7fb62fc724dc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
87
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * Compare strings: s1>s2: >0 s1==s2: 0 s1<s2: <0
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 */
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 strcmp(s1, s2)
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 register char *s1, *s2;
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 {
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 while (*s1 == *s2++)
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 if (*s1++=='\0')
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 return(0);
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 return(*s1 - *--s2);
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 }