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-rw-r--r--dc.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/dc.c b/dc.c
index 37c7731d2..31a5471c3 100644
--- a/dc.c
+++ b/dc.c
@@ -8,11 +8,11 @@
8 8
9/* Tiny RPN calculator, because "expr" didn't give me bitwise operations. */ 9/* Tiny RPN calculator, because "expr" didn't give me bitwise operations. */
10 10
11static const char dc_usage[] = "math expression ...\n" 11static const char dc_usage[] = "dc expression ...\n"
12#ifndef BB_FEATURE_TRIVIAL_HELP 12#ifndef BB_FEATURE_TRIVIAL_HELP
13 "\nThis is a Tiny RPN calculator that understands the\n" 13 "\nThis is a Tiny RPN calculator that understands the\n"
14 "following operations: +, -, /, *, and, or, not, eor.\n" 14 "following operations: +, -, /, *, and, or, not, eor.\n"
15 "i.e. 'math 2 2 add' -> 4, and 'math 8 8 \\* 2 2 + /' -> 16\n" 15 "i.e. 'dc 2 2 add' -> 4, and 'dc 8 8 \\* 2 2 + /' -> 16\n"
16#endif 16#endif
17 ; 17 ;
18 18
@@ -22,7 +22,7 @@ static unsigned int pointer;
22static void push(double a) 22static void push(double a)
23{ 23{
24 if (pointer >= (sizeof(stack) / sizeof(*stack))) { 24 if (pointer >= (sizeof(stack) / sizeof(*stack))) {
25 fprintf(stderr, "math: stack overflow\n"); 25 fprintf(stderr, "dc: stack overflow\n");
26 exit(-1); 26 exit(-1);
27 } else 27 } else
28 stack[pointer++] = a; 28 stack[pointer++] = a;
@@ -31,7 +31,7 @@ static void push(double a)
31static double pop() 31static double pop()
32{ 32{
33 if (pointer == 0) { 33 if (pointer == 0) {
34 fprintf(stderr, "math: stack underflow\n"); 34 fprintf(stderr, "dc: stack underflow\n");
35 exit(-1); 35 exit(-1);
36 } 36 }
37 return stack[--pointer]; 37 return stack[--pointer];
@@ -132,7 +132,7 @@ static void stack_machine(const char *argument)
132 } 132 }
133 o++; 133 o++;
134 } 134 }
135 fprintf(stderr, "math: %s: syntax error.\n", argument); 135 fprintf(stderr, "dc: %s: syntax error.\n", argument);
136 exit(-1); 136 exit(-1);
137} 137}
138 138